EXFO FTB-8500 Series for FTB-500 - Manual (Page 313)

RFC 2544 Tabs
Ethernet and Fibre Channel Application 299
Global Configuration

Frame Size (Bytes): RFC 2544 gives predefined frame size
distribution values. For User Defined distribution, enter up to
seven frame size values.
The following table lists each component that may affect the
minimum size value.

Flow Direction: Allows the selection of the test traffic direction.
Choices are:

TX-to-RX for single port topology.

P1-to-P2, P2-to-P1 and Bidirectional for dual ports topology.
Available with FTB-8510B only.

Local to Remote, Remote to Local, and Bidirectional for Dual
Test Sets.
Coupled Status: Couples the port direction algorithm for Bidirectional
flow direction.
Distribution Frame Size
RFC 2544 64
a
,128, 256, 512, 1024, 1280, and 1518
a. The minimum frame size will be adjusted according to the frame structure
and components selected.
User Defined 64
a
to 16000
b
b. The maximum frame size is limited to 10000 for 10Mbps interface.
Component Description
VLAN 4 bytes per VLAN (up to 3 VLAN)
Ethernet Header 14 bytes
LLC and SNAP Headers 8 bytes
IPv4
20 bytes
IPv6 40 bytes